Home / 8,011.38-12,013.61-2,746.90

Finding the Fourth Proportional to 8,011.38, 12,013.61 and 2,746.90

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Solution

The fourth proportional to 8,011.38, 12,013.61 and 2,746.90 is: 4,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.38 : 12,013.61 = 2,746.90 : x
  2. Step 2: Convert to fraction form
    8,011.38/12,013.61 = 2,746.90/x
  3. Step 3: Cross multiply
    8,011.38x = 12,013.61 × 2,746.90
  4. Step 4: Simplify right side
    8,011.38x = 33,000,208.48
  5. Step 5: Solve for x
    x = 33,000,208.48/8,011.38
  6. Step 6: Final answer
    x = 4,119.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.